Two Step Equations

Front

What is a two-step equation?

Back

A two-step equation is an algebraic equation that requires two operations to solve for the variable.

Front

How do you isolate a variable in a two-step equation?

Back

To isolate a variable, perform the inverse operations in the reverse order of how they are applied.

Front

What is the first step to solve the equation -x + 10 = -18?

Back

Subtract 10 from both sides to get -x = -28.

Front

What is the solution to the equation -x + 10 = -18?

Back

x = 28.

Front

How do you solve the equation (x + 23)/4 = 8?

Back

Multiply both sides by 4 to eliminate the fraction, resulting in x + 23 = 32.

Front

What is the solution to the equation (x + 23)/4 = 8?

Back

x = 9.

Front

How do you solve the equation x/7 - 12 = 8?

Back

Add 12 to both sides to get x/7 = 20, then multiply both sides by 7.

Front

What is the solution to the equation x/7 - 12 = 8?

Back

x = 140.

Front

How do you solve the equation (1/5)x - 19 = -8?

Back

Add 19 to both sides to get (1/5)x = 11, then multiply both sides by 5.

Front

What is the solution to the equation (1/5)x - 19 = -8?

Back

x = 55.